:root {
  --bg: #f1f0ec;
  --surface: #ffffff;
  --text: #121417;
  --muted: #5b6068;
  --lime: #ddf247;
  --rule: #dedcd5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013;
    --surface: #1a1d21;
    --text: #f2f2ee;
    --muted: #a3a8ae;
    --rule: #2a2e33;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; }
header { display: flex; align-items: center; gap: 10px; margin-bottom: 32px; }
header a { color: inherit; text-decoration: none; font-weight: 600; }
.mark { width: 28px; height: 28px; }
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.03em; margin: 0 0 8px; }
h2 { font-size: 20px; letter-spacing: -0.01em; margin: 36px 0 8px; }
p, li { color: var(--text); }
.lede { color: var(--muted); margin: 0 0 24px; }
.card { background: var(--surface); border-radius: 24px; padding: 20px 22px; margin: 16px 0; }
.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
ol, ul { padding-left: 22px; }
a { color: inherit; }
.pill { display: inline-block; background: var(--lime); color: #121417; border-radius: 999px; padding: 10px 18px; font-weight: 600; text-decoration: none; }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }
footer a { margin-right: 16px; }